Hi again, Tsana.

I was wondering - in an alternate universe, what would it take for a species to survive on Mars?

I know that it has some atmosphere, but not a whole lot. With the pressure being below the Armstrong limit, could there feasibly be large creatures (between collie and bear size) that could survive would have higher thresholds and what would they need to do so?

If the water on a human's tongue boils in space, would an alien creature...